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president trump's withdrawal from the obama-era nuclear deal in may. >> the united states no longer makes empty threats. >> reporter: the trump administration has taken a hard line with iran, especially since the arrival of john bolton as national security adviser, and the elevation of mike pompeo to secretary of state. >> i think everyone can agree that the regime in iran has been a nightmare for the iranian

people. >> reporter: iran's leader blasted pompeo for interfering in state matters, but press secretary sarah sanders said regime change is not the goal. >> again, our focus is on stopping iran from having nuclear weapons regardless of who is there. that's what our priority is. >> reporter: we have seen explosive exchanges before with north korea. it eventually led to dialogue, but the white house would not answer what it will take to have direct negotiations between presidents trump and rouhani. one strategy to apply pressure, though, jeff, we just saw with secretary pompeo, is to appeal directly to the iranian people. >> okay, weijia jiang, thank you very much. also in d.c. today, the senate voted 86-9 to confirm robert wilkie as secretary of veterans of affairs. he served as assistant secretary of defense under george w. bush. we turn now to the tour boat tragedy in missouri. today the boat was turned over to federal investigators.

one issue being looked at is whether the operators violated coast guard rules by setting off as thunderstorms rolled in. omar villafranca is at table rock lake near branson. >> reporter: divers at table rock lake only needed a few hours to lift the submerged duck boat out of 80 feet of water. four days after a storm sank the boat and killed 17 people onboard. >> going under. >> i saw someone struggling. i went to push up their feet so they could get help, but the waves were too big. >> reporter: loren smith was one of 14 survivors pulled from the water, but her brother and father didn't make it. >> oh, my gosh. >> reporter: smith says the captain never told the passengers to start taking safety precautions. >> water started flooding in the boat right before it sank. everybody was in shock. the guy didn't tell us to put on life jackets. the selfish side of me is like, why did he get to live and now

my brother is dead? >> i never want to be on any boat ever again in my life. >> reporter: tia coleman also survived but lost her three children, her husband, and five other relatives when the boat went under. >> if i was able to get a life jacket, coy have saved my babies because they could have at least floated up to the top, and somebody could have grabbed them. and i wasn't able to do that. >> reporter: now that the duck boat is out of the water, regular lake activities have resumed. we also learned that the missouri highway patrol is conducting their own separate investigation into possible criminal negligence, but so far, no charges have been filed. jeff? >> omar, thank you. coming up next, a deadly shooting caught on video.

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a dispute over a parking space led to an argument, a fatal shooting, and now a lot more talk about stand your ground laws. meg oliver is in clearwater, florida. >> we did everything together, you know. it's tough. >> reporter: britany jacobs is still hurting. the shooting happened last thursday in this convenience store parking lot. the family of five parked in a handicapped spot. 28-year-old markeis mcglockton and his 5-year-old son went inside. that's when 47-year-old michael drejka confronted her. >> he was just, you know, harassing me about a parking space, you know, about a handicapped parking space. >> reporter: mcglockton returned and shoved drejka to the ground. that's when drejka drew his gun and fired a single shot into

mcglockton's chest. he stumbled back in the store and collapsed in front of his son. a day later, the pinellas county sheriff declared he could not charge drejka. criminal defense attorney anthony rickman says the fact that mcglockton backed up after the shove raises concerns. >> the question is, is at that point in time, was there the possibility of imminent serious bodily injury or death of drejka that justified the use of deadly force? and watching that video, i don't think so. >> reporter: at least 23 other states also have so-called stand your ground laws allowing them to use deadly force against an attacker. they all say victims have no duty to retreat. jacobs is left trying to comprehend how her three children lost their father over a trip to buy snacks. >> because all my man was trying to do was protect his girl like anybody else would, you know. stand by, you know, his family's side. >> reporter: the case is not over. it's now up to florida state

attorney to determine whether to seek a grand jury indictment. jeff? >> meg, thank you very much. coming up next, was terrorism behind a deadly incident in toronto? sleep disturbances keep 1 in 3 adults up at night. only remfresh uses ion-powered melatonin to deliver up to 7 hours of sleep support. number 1 sleep doctor recommended remfresh -- your nightly sleep companion. available in the natural sleep section at walmart. i wok(harmonica interrupts)ld... ...and told people about geico... (harmonica interrupts) how they could save 15% or more by... (harmonica interrupts) ...by just calling or going online to geico.com. (harmonica interrupts) (sighs and chuckles) sorry, are you gonna... (harmonica interrupts) everytime. geico. 15 minutes could save you 15% or more on car insurance.

anif you've got a lifee. you gotta swiffer toronto's police chief said today it is too soon to know the motive behind last night's

shooting. cell phone video captured a man firing into restaurants. a 10-year-old girl and an 18-year-old woman were killed. 13 others hurt. the gunman identified as faisal hussain was killed in a shoot-out with police. more than 400 members of syria's white helmets and their families were evacuated overnight by israeli forces. hundreds of others remain trapped inside syria. the white helmets are first responders credited with rescuing more than 100,000 syrians wounded in air strikes and bombings. the assad regime considers them terrorists. coming up next, how you can be a real life "iron man" or woman.

finally tonight, if you've ever dreamed of taking flight like a superhero, you may get your chance. here's charlie d'agata. >> reporter: it's not a sight you'd expect to see on the streets of london. but few are more blown away by the jet suit than the man who invented it, richard browning. >> there's that moment where you're off the ground, and suddenly it's really quite liberating. it's like that dream most people seem to have about being able to think somewhere and fly there. >> reporter: a military man who served with the royal marines, 39-year-old browning quit his day job as an oil trader, he

says, just to see if he could do it. but at first getting the invention off the ground wasn't easy. it can reach speeds of 32 miles an hour and an altitude of 12,000 feet. anyone can fly it with training and insurance. it's made up of five mini jet engines, one on the back and two on each arm, which control direction. >> in a strange way, a bit like riding a bike. >> reporter: browning swears he didn't set out to copy the suit made famous in the "iron man" movies, though admits there were some wonderful parallels. >> actually, what the guys had done to think up that character and then do all the cgi around it was actually really quite accurate. >> reporter: now, the dream of designing a jet suit is nothing new, but never before has it been so real. how real? you can actually buy this one if you've got a spare $450,000 rattling around in your pocket. that's right. on display right there at the selfridges department store alongside a virtual reali version of how it works.

>> oh, you have got to love heights. >> reporter: at the moment, it's just for fun. >> i'm not at all sick. >> reporter: but browning says he foresees some practical uses too. >> for niche military applications and niche search and rescue operations, it turns out we do have some capability they didn't think was possible. >> reporter: for now, the fuel pack limits the suit to only three or four minutes of flight. but as the engines become more efficient, the only direction this jet suit is headed is up. charlie d'agata, cbs news, london. that is the "cbs overnight news" for this tuesday. for some of you the news continues. for others, check back later for the morning news and cbs this morning. from the broadcast center in new york city, i'm jeff glor.

>> announcer: this is the "cbs overnight news." welcome to the overnight news. i'm ja rica duncan. president trump is rattling the nuclear saber again, this time at iran. mr. trump tweeted that iran could face dire consequences in the president's words, the likes of which few throughout history have suffered before. meanwhile the white house is working to revoke the security clearances of former top because of their criticism of president trump. weijia jiang has the story from this afternoon downplayed the escalation intention between washington and tehran. the comments came after his

tweet late yesterday addressing president rouhani. never, ever threaten the united states again, he wrote, or you will suffer consequences the likes of which few throughout history have ever suffered before. the president was responding to remarks from rouhani earlier that day. america should know that peace with iran is the mother of all peace, and war with iran is the mother of all wars. rouhani's government has been under pressure as iran's economy struggles. it is bracing for additional u.s. sanctions to take effect in two weeks, a consequence of president trump's withdrawal from the obama-era nuclear deal in may. >> the united states no longer makes empty threats. >> reporter: the trump the arrival of john bolton as ay national security adviser and the elevation of mike pompeo to secretary of state. >> but i think everyone can agree that the regime in iran

has been a nightmare for the iranian people. >> reporter: iran's leader blasted pompeo for interfering in state matters, but press secretary sarah sanders said regime change is not the goal. >> again, our focus is on stopping iran from having nuclear weapons regardless of who is there. that's what our priority is. >> reporter: we have seen explosive exchanges before with north korea. it eventually led to dialogue, but the white house would not answer what it will take to have direct negotiations between presidents trump and rouhani. president trump may strip security clearances from some of his most outspoken detractors. among them, former fbi director james comey, former director of national intelligence james clapper, and former nsa director michael hayden. he's also targeting former cia director john brennan, who recently blasted the president over his summit with vladimir putin. >> nothing short of treasonous. >> reporter: mr. trump has formerly accused these officials

of spreading information from the ongoing special counsel investigation into meddling in the u.s. election. last week in an interview with cbs news, the president called them out. >> do you think any u.s. intelligence agencies are out to get you? >> well, certainly in the past it's been terrible. you look at brennan. you look at clapper. you look at hayden. you look at comey. you look at mccabe. you look at strzok and his lover, lisa page. you look at other people in the fbi that have been fired that are no longer there. >> reporter: it is common for senior government officials to maintain their high-level security clearances after they leave office. clearances are renewed every five years and allow former officials to advise their successors. security expert frank cilluffo says it's the public that could be hurt if the intelligence isn't shared. >> ultimately it's the american people because we're not going to be able to get the requisite knowledge that they -- that these individuals have in their heads to be able to enhance our

national security. nearly 40 years after the sandinistas toppled the dictatorship of somoza, nicaragua is again in the grips of unrest. anti-government protests have been under way for three months now and the government has been cracking down with deadly force. manuel bojorquez is in managua. >> reporter: this is the latest anti-government march. it is packed here. it is shut down, one of the main thoroughfares of the capital city, managua. you can see all the people gathered here. many of them have covered their faces out of fear that they will be targeted for being part of this protest. but being here is a risk they are willing to take. this masked young man has been protesting for months now. >> how long does this go? until he's gone. take a look at this sign right here. it says "nicaragua needs a president. i am armed but only with

strength and courage." the ortega regime accuses the protesters of inciting violence that has taken the lives of national police, who claim they were simply trying to restore the peace. [ gunfire ] >> reporter: it's believed paramilitary forces loyal to ortega fired into a catholic church earlier this month as 100 university students sought shelter. >> reporter: two were killed. father eric alvarado was there during the 15-hour siege. tell us if you can what happened that day. sta the worst day of your life. he showed us where the bullets >> is with us.urch'sics. >> is with you, no matter how bad it gets. even as this protest unfolded, supporters of the ortega regime were holding a demonstration of

their own, an indication of the deep political divisions in this country and a sign turil may not be ending anytime soon. salvage workers have recovered the duck boat that sank in a missouri lake last week, killing 17 tourists. nine of the victims came from one family. omar villafranca has the latest on the investigation. >> reporter: divers at table rock lake only needed a few hours to lift the submerged duck boat out of 80 feet of water. four days after a storm sank the boat and killed 17 people onboard. >> oh, no. >> i saw someone struggled. i went to push up their feet so they could get help, but the waves were too big. >> reporter: loren smith was one of 14 survivors pulled from the water. but her brother and father didn't make it. >> oh, my gosh. >> reporter: smith says the captain never told the passengers to start taking safety precautions.

>> water started flooding in the boat right before it sank. everybody was in shock. the guy didn't tell us to put on life jackets. the selfish side of me is like why did he get to live and now my brother is dead? >> i never want to be on any boat ever again in my life. >> reporter: tia coleman also survived but lost her three children, her husband, and five other relatives when the boat went under. >> if i was able to get a life jacket, ci could have saved my babies because they could have floated up to the top and someone could have grabbed them. and i wasn't able to do that. >> reporter: now that the duck boat is out of the water, regular lake activities have resumed. we also learned that the missouri highway patrol is conducting their own separate investigation into possible criminal negligence, but so far no charges have been filed. the "cbs overnight news" will be right back.

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>> announcer: this is the "cbs overnight news." conservationists are going to great heights to save south africa's endangered black rhino. lara logan has the story for "60 minutes." >> reporter: take one 1,400 pound black rhino who has been darted and sedated. >> a young female, probably about 6 or 7 years ago. >> reporter: two veterinarians. >> with black rhinos, lots of things can go wrong. >> reporter: three game capture specialists, four leg straps,el its pilot, addly lethal 130-foot chain. >> keep an eye on that chain.

>> reporter: and you get this. >> look at that. >> wow. >> i never tire of seeing it. >> reporter: this feat of engineering, aerodynamics, and conservation has been choreographed by a veterinarian who is moving these rhinos to save them. why did you start flying the rhinos, transporting them by helicopter instead of by road or other means? >> some of these rhino are in very inaccessible parts, and some air method provided us with an opportunity. i immediately thought this was areas where vehicles cannot go in. >> reporter: with more than 100 square miles of mountains and we joined him and his team, they were searching the

impossible terrain for three rhinos they had selected for relocation, part of his plan to protect them from poachers and increase their numbers. why did you choose the black rhino to focus on? >> well, i didn't choose it. it chose itself because it's in trouble. >> so how many black rhino were there in the country when you began? >> there were about 2,500 rhino in south africa when we started the project. >> reporter: that was 15 years ago. the black rhino was a critically endangered species. to get the numbers up, he started the black rhino range expansion project with the help of the world wildlife fund. the idea was to take a small number of rhino from government parks and settle them in new places, mostly on private land where they would breed and create new populations. so you got the word out to wor were looking for land for black

rhino. and, well, it's worked amazingly. so those 20 black rhino or however many get put all together onto a new block of land and are left to breed. and we wanted to put 20 because that's a genetically viable number. >> reporter: his team captured the rhino by darting them, then driving trucks in to pick them up. but when they ran out of road, they turned to the skies. it's spectacular and unbelievable and also slightly distressing at the same time. it's sort of everything. >> you really have to put your mind at risk, that animal physiologically is not being harmed in any way. >> reporter: dave cooper has been the chief veterinarian for 22 years. he says the rhino are usually in the air for less than ten minutes and fully sedated the

entire time. >> it looks as if the animals are really uncomfortable, but we've done our homework. we didn't just do this and see if it was going to work. we hung rhino upupside down with cranes. >> didn't you volunteer to hang yourself upside down from a helicopter? >> i did, but the pilots wouldn't let me. >> they've told me that anything can walk on its feet can hang by its feet. >> reporter: the pilot and dave cooper have been working together from the beginning. he told us the huey helicopter he's flying for this can haul two tons, more than enough to lift a black rhino. >> this will be 198. >> so almost 200, and you've lost none? >> yeah. if we do three today, it will be 200, yeah. >> what's the most difficult part? >> putting it down. putting it down gently. >> so you don't hurt the animal?

>> if it were easy, everyone would be doing it. >> reporter: we saw just how difficult it can be as he struggled to land the first rhino. he got it down safe and unhurt on the second try. vet dave cooper was already up in another smaller helicopter, looking for the next rhino. he took his tranquilizer gun with a dose strong enough to knock the animal out for 30 minutes. the first dart didn't fully pierce the inch-thick skin. three minutes later, his second shot stuck. they tracked the rhino till it dropped. we were right behind him in the huey with jacques and the game capture team. i see the rhino down.

how many minutes do you have now to get that rhino? >> we've got a bit of time. >> reporter: as soon as we landed, it was a race to get to the sedated animal. dave cooper's priority, removing the tranquilizer dart and treating the wound with an antibiotic. >> i immediately had to put another one in. >> reporter: so that's the first thing you do is cover the eyes? >> yeah, because that stops them. >> reporter: so is this a male or female? >> this is a male. >> reporter: he's young and has many years of breeding ahead of him. exactly what they need. they i.d.'d him from notches in his ears. mostno inhe marked this way. is that him breathing? >> that's him breathing. lovely, deep breaths. i'm happy with that.

>> reporter: the game capture team cleared a path to above. >> the helicopter is now going to come, and they're going to hitch up those four strapped to the central hook. >> reporter: he maneuvers in the chain. and swept the rhino away. it took them less than 16 minutes. for dave cooper, it's a small victory every time. >> i have tears in my eyes? >> because? >> they mean a lot to me. >> as a vet, i mean you're the one that gets called out when the poachers have been there and they've hacked off the horn and the animal is bleeding. is that very difficult for you? >> yes. there's so much negativity around rhino at the moment with all the poaching, that to be involved in something like this is what lifts you and keeps you positive about things. >> reporter: this is what they are seeing more and more.

when the program started in 2003, three or four black rhino were being killed a year. >> now we're into the hundreds for this province alone this year. >> reporter: so why is that? >> well, because there is that stupid demand for rhino horn, which has absolutely no medicinal value sadly. >> reporter: rhino horn is made of keratin, the same substance as human fingernails. yet in countries like china and vietnam, people believe it can cure hangovers and increase virility. most remove the horns to deter poachers. but it's worth so much, more per ounce than gold or cocaine, that every place there's rhino is a target. >> you can see the full report on our website, cbs news.com. the overnight news will be right back.

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i'start at the new carfax.comar. show me minivans with no reported accidents. boom. love it. [struggles] show me the carfax. start your used car search at the all-new carfax.com. before there were apps, believe it or not, there were maps. some of the oldest and most interesting maps are on display. demarco morgan has a look. ♪ >> reporter: they've been a guiding light and a cultural representation of time for new yorkers and tourists alike for

so we're talking about a collection of half a million maps. >> that's correct. >> that's a lot. >> that is a lot. one of the largest map collections in the united states. >> reporter: ian fowler, the librarian at the new york public library, oversees the collection of pictorial maps that are on display for a limited time. when you talk about pictorial maps, especially these maps, they're mostly used for entertainment and commentary? >> that's correct. so a lot of them were born out of artistic movements beginning in britain in the early 20th century, traveled over to america. a lot of it kind of goes into what's happening economically at the time. >> reporter: dating back to 1916 is a redraft of a 1660 map, the earliest pictorial map of the collection, when new york was still known as its original name, new amsterdam. >> what's great about it is it shows new amsterdam as it was in the time period, in the mid 17th century. you have all the small dutch gardens and kitchens. >> reporter: as new york city

grew and branched out into boroughs, so did its culture. >> you go from this very small, triangular lower manhattan, dump new amsterdam, and all of a sudden you see the grid exploding all the way up to 45th street. so you go from this kind of very simple schematic of new amsterdam into this lively scene of new york city in the 1920s and '30s. >> a $155 million wonderland. >> reporter: so this is a map of the new york world's fair, and this is very emblematic of this kind of oblique view looking into new york. but also how they advertise the world's fairs in this point in time. >> there she is, the empire state building. 102 stories high. >> what i love about this map is corresponding directly to the left of the empire state building, you have this aerial zeppelin which goes up to the purpose of the top deck of the empire state building, which was to be a landing dock for zeppelins. >> reporter: and while new orleans may be known as the birthplace of jazz, queens new

york has been dubbed the home of jazz with residents ella fitzgerald. ♪ nothing but blue skies do i see ♪ >> reporter: louis armstrong. ♪ when the saints go marching in ♪ >> reporter: and billy haoliday. >> we think of harlem but it's really going anywhere, and it's really going all around new york city, especially the upper parts, harlem into queens. >> reporter: these illustrated maps reflect the artistry and imagination of their creators as seen in the past and 23now lookg ahead. >> 2118. i'm not sure i'm too happy about this map. my neighborhood would be gorn. it would be in the water. >> what he's showing here is the manhn.ch district he's saying the only people that are going to bee to live

thare the pe with bue lost. when you humble yourself under the mighty hand of god, in due time he will exalt you. hi, i'm joel osteen. i'm excited about being with you every week. i hope you'll tune in. you'll be inspired, you'll be encouraged. i'm looking forward to seeing you right here. you are fully loaded and completely equipped for the race that's been designed for you.

a young man fresh out of grad school decided that he'd rather volunteer than get a paying job. volunteer, that is, to mow lawns. in every state of the union. michelle miller has the story of rodney smith jr., the mower man. >> reporter: if you don't think curb appeal means much to people. >> appreciate it very much. >> reporter: you haven't seen rodney smith jr. in action. >> what do they call you? >> the mower man. >> reporter: fresh out of grad school, smith's life mission these days is to cut grass, free of charge. it's all part of a bigger plan. his 50 states, 50 lawns tour. a community service project that's encouraged kids to join

his 50-yard challenge along the way. >> how does it feel to make a difference for lawn mowers? >> it feels good. >> reporter: the concept came in 2015 when he saw an elderly man struggling to cut his lawn. he decided to help. he says that experience inspired him to launch raising men lawn care service, and it keeps growing. >> it's pretty cool to see the kids because when i was younger, i did not like to mow lawns. turned into something now i love to do. where we traveled with smith to arizona. there he met 89-year-old army veteran ezekiel davis. >> i thank god for that man. >> reporter: and 60-year-old cancer survivor marcia dietz. >> you don't find people like rodney. >> what he's doing is just an inspiration to everybody. >> just to see the beauty of america. >> reporter: smith has averaged a state a day since may,

stopping only for gas, a bite to eat, and a few hours of sleep. he ditched his wheels and his lawn mower for a flight to alaska, where the tudor family loaned him theirs. >> so often alaska is kind of a forgotten place. so to come up to share one's heart makes it all the more special. >> reporter: his nationwide mowing mission came to an end this week in hawaii. but smith says seven continents, seven lawns is up next. what is your hope that you will start?>> a whole movement of volunteers, of kidding getting out there making a difference. >> reporter: with the goal of making this world a bit more neighborly. >> thanks so much. >> hopefully he got some tips. well, that's the overnight news for this tuesday. for some of you, the news continues. for others, check back with us later for the morning news and, of course, cbs this morning. from the broadcast center in new york city, i'm jericka duncan.

>> it's tuesday, july 24th, 2018. this is the cbs morning news. access denied? president trump may be seeking to revoke the security clearances of a number of his critics. rain, heat and fire. extreme weather effecting millions of people coast-to-coast and around the world. and keeping a commitment? north korea appears to be taking steps toward denuclearization. good morning from the studio